Internal Assessment

Semester 2

You must Design and Execute one experiment selected from the following topics.

Each student must design and execute their own individual investigation.

The experiment should be designed such that it is possible to execute it at home. No time will be allowed in the lab for this experiment.

You must identify all the relevant variables in your experiment:

• independent
• dependent
• controlled

You must write an individual lab report, according to the IB Internal Assessment Criteria.

Deadline: the lab report should be handed in to your professor.

Choose one of the following objective:

Topic 1:

Investigate the flow of a substance through a constricted opening.

Topic 2:

Investigate one parameter influencing the angle of repose for a conical pyramid of granular material.